About my atrocious feet, I can say that it's very difficult to find shoes that don't give me blisters. So although they were a bit pricey I decided to try them out.
UGGS is to use high-quality sheepskin, they call it 'double-face', meaning that they treat the outside (skin side there are two) and internal (hair side). This unique 'material' to allow the boot to breathe, wicking to keep feet dry. In addition, the sheep are essentially waterproof.

A high degree of durable stitching, and soles, as a whole is a good start construction.

Guide is very lightweight. They look very busy, but they are not. When they wear, but feel like you walk around in socks or slippers. These boots to comply with everyone's feet to suit their own close, but not strictly.